n = 123

f = 456.789

s1 = 'Hello, world'

s2 = 'Hello, \'Adam\''

s3 = r'Hello , "Bart"'

s4 = r'''Hello,

... Lisa!'''

print(str(n) + '\n' + str(f) + '\n' + s1 + '\n' + s2 + '\n' + s3 + '\n' + s4)

打印结果：

123

456.789

Hello, world

Hello, 'Adam'

Hello , "Bart"

Hello,

Lisa!